Home / 357,726.05-493,456.40-223,356.77

Finding the Fourth Proportional to 357,726.05, 493,456.40 and 223,356.77

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Solution

The fourth proportional to 357,726.05, 493,456.40 and 223,356.77 is: 308,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,726.05 : 493,456.40 = 223,356.77 : x
  2. Step 2: Convert to fraction form
    357,726.05/493,456.40 = 223,356.77/x
  3. Step 3: Cross multiply
    357,726.05x = 493,456.40 × 223,356.77
  4. Step 4: Simplify right side
    357,726.05x = 110,216,827,639.83
  5. Step 5: Solve for x
    x = 110,216,827,639.83/357,726.05
  6. Step 6: Final answer
    x = 308,104.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.